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Case File

CVE-2021-28117

HIGH · CVSS 7.5 EPSS 1.56% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-03-20 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
github.com ↗ github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-28117
Severity
HIGH
CVSS
7.5
EPSS
1.56%

Original NVD Description

libdiscover/backends/KNSBackend/KNSResource.cpp in KDE Discover before 5.21.3 automatically creates links to potentially dangerous URLs (that are neither https:// nor http://) based on the content of the store.kde.org web site. (5.18.7 is also a fixed version.)